MCQ
Penetration power of proton is
- AMore than electron
- ✓Less than electron
- CMore than neutron
- DNone
$ \propto \frac{1}{{{\rm{mass}}}}$
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$Fe ^{2+}( aq )+ S ^{2-}( aq ) \rightleftharpoons FeS ( s )$
When equal volumes of $0.06 M Fe ^{2+}( aq )$ and $0.2 M S ^{2-}( aq )$ solutions are mixed, the equilibrium concentration of $Fe ^{2+}$ (aq) is found to be $Y \times 10^{-17} M$. The value of $Y$ is. . . . .
| List -$I$ Molecule | List - $II$ Shape |
| $(A)$. $\mathrm{BrF}_5$ | $(I)$. $T$-shape |
| $(B)$. $\mathrm{H}_2 \mathrm{O}$ | $(II)$. See saw |
| $(C)$. $\mathrm{ClF}_3$ | $(III)$. Bent |
| $(D)$. $\mathrm{SF}_4$ | $(IV)$. Square pyramidal |
(Atomic No. $= Ti : 22,$ $Cr : 24$ and $Mo : 42$ )